Explain why machinery used on a.c supply is usually rated
in KVA instead of KW?
Answer Posted / shekhar
bcoz in most of the machines the current losses depend upon
current and iron losses depend upon voltage and they does
not depend upon the powerfactor
| Is This Answer Correct ? | 29 Yes | 9 No |
Post New Answer View All Answers
i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,
describe the Tranformer testing procedure
HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?
Draw the equivalent circuit of crystal oscillator?
Why the field rheostat is adjusted such that the voltmeter reads 380V
What is the formula to calculate the rating of a three phase air circuit breaker
what is Fault level? why it is calculated? how will u decide same for our plant?
why zero sequence impedance measurement is not applicable for single phase GT
Whata are the types of Cables?
If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?
what are the steps involved in generator load test?
what is the transformer rush current?
how i calculate the syncrones generator NGR resistance .if we have a 6mw generator line voltage of generator 11kv also line current 393.3 ampere.
If a air condition consume 2.50 to 3.00 amp then how much it will consume in watts if it is running 10 hours out of 24 hours????
List few applications of d.c series motor?